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Text File  |  1987-03-31  |  2KB  |  71 lines
  1.  
  2.     IFND EXEC_SEMAPHORES_I
  3. EXEC_SEMAPHORES_I SET 1
  4. **********************************************************************
  5. *
  6. *   Commodore Amiga -- ROM Operating System Executive Include File
  7. *
  8. **********************************************************************
  9. *
  10. *   Source Control:
  11. *
  12. *       $Header: semaphores.i,v 33.1 86/03/07 17:31:08 neil Exp $
  13. *
  14. *       $Locker:  $
  15. *
  16. **********************************************************************
  17.  
  18.     IFND EXEC_NODES_I
  19.     INCLUDE "exec/nodes.i"
  20.     ENDC !EXEC_NODES_I
  21.  
  22.     IFND EXEC_LISTS_I
  23.     INCLUDE "exec/lists.i"
  24.     ENDC !EXEC_LISTS_I
  25.  
  26.     IFND EXEC_PORTS_I
  27.     INCLUDE "exec/ports.i"
  28.     ENDC !EXEC_PORTS_I
  29.  
  30.  
  31. *----------------------------------------------------------------
  32. *
  33. *   Semaphore Structure
  34. *
  35. *----------------------------------------------------------------
  36.  
  37.  
  38.  STRUCTURE  SM,MP_SIZE
  39.     WORD    SM_BIDS           * number of bids for lock
  40.     LABEL   SM_SIZE
  41.  
  42.  
  43. *------ unions:
  44.  
  45. SM_LOCKMSG    EQU  MP_SIGTASK
  46.  
  47.  
  48. *----------------------------------------------------------------
  49. *
  50. *   Signal Semaphore Structure
  51. *
  52. *----------------------------------------------------------------
  53.  
  54. * this is the structure used to request a signal semaphore -- allocated
  55. * on the fly by ObtainSemaphore()
  56.  STRUCTURE  SSR,MLN_SIZE
  57.     APTR    SSR_WAITER
  58.     LABEL   SSR_SIZE
  59.  
  60.  
  61. * this is the actual semaphore itself -- allocated statically
  62.  STRUCTURE  SS,LN_SIZE
  63.     SHORT   SS_NESTCOUNT
  64.     STRUCT  SS_WAITQUEUE,MLH_SIZE
  65.     STRUCT  SS_MULTIPLELINK,SSR_SIZE
  66.     APTR    SS_OWNER
  67.     SHORT   SS_QUEUECOUNT
  68.     LABEL   SS_SIZE
  69.  
  70.     ENDC !EXEC_SEMAPHORES_I
  71.